forked from Imagelibrary/rtems
e71a3a840d
* mpc5xx/exceptions/raw_exception.c, mpc5xx/exceptions/raw_exception.h, mpc5xx/include/console.h, mpc5xx/include/mpc5xx.h, mpc5xx/irq/irq.c, mpc5xx/irq/irq.h, mpc5xx/irq/irq_asm.S, mpc5xx/vectors/vectors.h, mpc5xx/vectors/vectors_init.c, mpc6xx/mmu/bat.c, mpc6xx/mmu/bat.h, mpc6xx/mmu/mmuAsm.S, new-exceptions/bspsupport/irq.c, new-exceptions/bspsupport/irq_supp.h, new-exceptions/bspsupport/nested_irq_test.c, new-exceptions/bspsupport/ppc_exc_address.c, new-exceptions/bspsupport/ppc_exc_categories.c, new-exceptions/bspsupport/ppc_exc_global_handler.c, new-exceptions/bspsupport/ppc_exc_hdl.c, new-exceptions/bspsupport/ppc_exc_initialize.c, new-exceptions/bspsupport/ppc_exc_prologue.c, new-exceptions/bspsupport/ppc_exc_test.c, new-exceptions/bspsupport/vectors.h, shared/include/byteorder.h, shared/include/cpuIdent.c, shared/include/cpuIdent.h, shared/include/io.h, shared/include/mmu.h, shared/include/page.h, shared/include/pgtable.h, shared/include/spr.h: Fix typo where license said found in found in.
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* page.h
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*
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* PowerPC memory management structures
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*
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* It is a stripped down version of linux ppc file...
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*
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* Copyright (C) 1999 Eric Valette (valette@crf.canon.fr)
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* Canon Centre Recherche France.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#ifndef _LIBCPU_PAGE_H
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#define _LIBCPU_PAGE_H
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/* PAGE_SHIFT determines the page size */
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1UL << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE-1))
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#define PAGE_OFFSET 0xc0000000
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#ifndef ASM
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/*
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* .. while these make it easier on the compiler
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*/
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typedef unsigned long pte_t;
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typedef unsigned long pmd_t;
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typedef unsigned long pgd_t;
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typedef unsigned long pgprot_t;
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#define pte_val(x) (x)
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#define pmd_val(x) (x)
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#define pgd_val(x) (x)
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#define pgprot_val(x) (x)
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#define __pte(x) (x)
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#define __pmd(x) (x)
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#define __pgd(x) (x)
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#define __pgprot(x) (x)
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/* align addr on a size boundry - adjust address up if needed -- Cort */
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#define _ALIGN(addr,size) (((addr)+size-1)&(~(size-1)))
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/* to align the pointer to the (next) page boundary */
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#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
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#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
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#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
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/* map phys->virtual and virtual->phys for RAM pages */
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#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
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#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
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#define MAP_NR(addr) (((unsigned long)addr-PAGE_OFFSET) >> PAGE_SHIFT)
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#define MAP_PAGE_RESERVED (1<<15)
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extern unsigned long get_zero_page_fast(void);
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#endif /* ASM */
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#endif /* _LIBCPU_PAGE_H */
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